INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c6d2f3ebfa837a80d912983291145feefe3686313f17026db1d39f7e48ab594e', 
    'RTWQpnqjqfYg1kUzhfMnZZN6fYNnS+IVeqPxHl8/Afs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00016

Result

int(1)